It would probably be a good idea to get the patch made to master for using dnsmasq tags to customize the dhcp server configuration. Maybe I'll submit a patch in my down time.
Thanks, Nate On Jun 12, 2012 12:03 PM, "Lorin Hochstein" <lo...@nimbisservices.com> wrote: > Cool, thanks. I'll try to get this into the docs. > > Take care, > > Lorin > -- > Lorin Hochstein > Lead Architect - Cloud Services > Nimbis Services, Inc. > www.nimbisservices.com > > > > > > On Jun 12, 2012, at 11:10 AM, Nathanael Burton wrote: > > Lorin, Diego, > > I wrote up a pastebin of setting up an example dnsmasq.conf file, > setting it within nova.conf, patching linux_net.py (in stable/essex), > and showing the example dhcp leases file which set custom values for > the router, ntp-server, and dns-server using the dnsmasq conf and tags > based on the network label field within the network defined within > nova. The same process should work with both FlatDHCP or VLANManager. > > http://paste.openstack.org/show/18471/ > > Thanks, > > Nate > > On Mon, Jun 11, 2012 at 10:17 PM, Lorin Hochstein > <lo...@nimbisservices.com> wrote: > > Hey Nate: > > > On Jun 11, 2012, at 2:17 PM, Nathanael Burton wrote: > > > dnsmasq supports setting parameters such as the gateway IP and other > > settings based on tag. I have run a patched version of nova-network in the > > Diablo time that used the network DB label field as the network tag in > > dnsmasq. This then allows you to set custom configs by modifying the > > dnsmasq.conf file. This was done with VLANmanager. > > > > > Are you able to share an exampleof a dnsmasq.conf file that uses tags to > > handle different config settings per network/VLAN? > > > > Take care, > > > Lorin > > -- > > Lorin Hochstein > > Lead Architect - Cloud Services > > Nimbis Services, Inc. > > www.nimbisservices.com > > > > > Thanks > > > Nate > > > On Jun 11, 2012 2:09 PM, "Lorin Hochstein" <lo...@nimbisservices.com> > wrote: > > > > On Jun 4, 2012, at 8:22 PM, romi zhang wrote: > > > Hi, > > > I am using VLAN network mode and will connect eth1 and eth2 of my compute > > node to the LAN Switch, and LAN switch will create individual VLAN IP > > interface for each Tenant/VLAN and then route to the NAT equipment,through > > SNAT/DNAT to touch internet. So, that needs I can set the default gateway > of > > each Tenant VLAN to the different IP address of VLAN interface on the > > switch. > > > > I have the same question, I would love to know if you can set the gateways > > in VLAN mode. > > > > For example, my first tenant(auto0Tenant) is at VLAN200/br200/eth1/fix_ip > > range is 192.168.2.0/28 and second(aotu1Tenant) is > > VLAN300/br300/eth2/fix_ip_range 192.168.3.0/28, the VLAN interface ip > > address for them on switch is 192.168.2.9 and 192.168.3.9, I want to set > the > > default gateway of VMs in auto0Tenant to 192.168.2.9 and 192.168.3.9 for > > aotu1Tenant’s VMs. > > > I try to use two methods, the first is to use nova-command: > > > nova-manage network create --label=auto0Tenat > > --fixed_range_v4=192.168.2.0/28 --num_networks=1 --gateway=192.168.2.9 > > --dns1=61.139.2.69 --vlan=200 --bridge=br200 --bridge_interface=eth1 > > --network_size=16 --multi_host=T > > --project_id=5f9281bca6854fe3974a457d81afd78c > > > nova-manage network create --label=aotu1Tenant > > --fixed_range_v4=192.168.3.0/28 --num_networks=1 --gateway=192.168.3.9 > > --dns1=61.139.2.69 --vlan=300 --bridge=br300 --bridge_interface=eth2 > > --network_size=16 --multi_host=T > > --project_id=5f9281bca6854fe3974a457d81afd78c > > > but the result is the newest created VM default gateway is still the IP > > address of br200 or br300 by the system, that means the factor of “gateway” > > and “dns1” in nova-mange network command did not work. > > > The second way is to use dnsmasq.conf that Vish told me, that I set just > > dhcp_option=3,192.168.2.9. Yes it is useful for auto0Tenat VLAN, it can set > > auto0Tenant gateway to 192.168.2.9, but how to set others at the same time? > > > Then I tried to use: > > > Interface=vlan200 > > dhcp_option=3,192.168.2.9 > > > Interface=vlan300 > > dhcp_option=3,192.168.3.9 > > > > > Does it actually work to specify multiple interfaces in the dnsmasq conf > > file like that? I would have thought that the second values would override > > the first ones. > > > > Take care, > > > Lorin > > -- > > Lorin Hochstein > > Lead Architect - Cloud Services > > Nimbis Services, Inc. > > www.nimbisservices.com > > > > > > > _______________________________________________ > > Mailing list: https://launchpad.net/~openstack > > Post to : openstack@lists.launchpad.net > > Unsubscribe : https://launchpad.net/~openstack > > More help : https://help.launchpad.net/ListHelp > > > > >
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